style.css

* {
    text-align: center;
    box-sizing: border-box;
    padding: 0px;
    font-family: Arial, Helvetica, sans-serif;
    text-decoration: none;
}
* a {
    color: forestgreen;
}

* a:hover{
    color: brown;
}

.BackgroundHomepage {
    background-image: url("AboutMeBackround.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: none;
    background-attachment: fixed;
}

#homepageheading {
    color: white;
    size: 60px;
}

#Headings {
    color: red;
}
#TextAboutMe {
    text-align: center;
    color: white;
}

#picture-of-me {
    height: 10%;
    width: 30%;
    display: block;
    margin: 0 auto;
}

.BackgroundAboutMe {
    background-image: url("AboutMeBackround.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: none;
    background-attachment: fixed;
}
.BackgroundChildhood {
    background-image: url("ChildhoodgamesBackround.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: none;
    background-attachment: fixed;
}
.BackgroundAdulthood {
    background-image: url("AdulthoodgamesBackround.jpg");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.BackgroundContactMe {
    background-image: url("ContactMeBackround.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: none;
    background-attachment: fixed;
}

#nav {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    justify-content: space-evenly;
    align-items: center;
    margin: 0;
    background-color: rgb(255, 255, 255);
    height:100px;
    border-style: solid;
    border-color: rgb(255, 0, 255);
    border-width: 20px;
    background-attachment: fixed;
    position: sticky;
    top:0px;
}

#bottom-nav {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    justify-content: space-evenly;
    align-items: center;
    margin: 0;
    background-color: rgb(255, 255, 0);
    height:100px;
    border-style: solid;
    border-color: rgb(255, 0, 255);
    border-width: 20px;
    background-attachment: fixed;
    position: sticky;
    bottom: 0px;
}
#adulthoodgames {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0 auto;
}

#adulthoodgames img {
    width: 300px;
    height: 150px;
}
#welcomeimage {
    position: center;
}